Essays on Neuron

Spinal Cord Injury
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Pages • 2
Each year thousands in the U. S. experience damage to the nerve bundles that carry messages from the brain to the rest of the body. Studies show about 12,000 spinal cords injuries occur in the United States each year. About 262. 000 Americans live with spinal cord injury. The average age used to be age 29, statistic now show age 40. There are several causes of spinal cord injury between 1990 -2003. The vast majority are caused by trauma to…...
ApoptosisInjuryNervous SystemNeuron
How Do Nerve Cells Work
Words • 1260
Pages • 6
How Do Nerve Cells Work and Why is it Important for Psychologists to know this Student number: M00267898 Word count (Excluding title and references section):1,062 Declaration By submitting this work I acknowledge that I am its author, that all sources consulted in its preparation are referenced appropriately in accordance with the referencing guide, and that I have not copied from any source. How Do Nerve Cells Work and Why is it Important for Psychologists to know this? Biological psychology hypothesises…...
Nervous SystemNeuronWork
Brain Tumor Detection
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1. Introduction 1.1 Problem Summary and Introduction Tumor is defined as the abnormal growth of the tissues. Brain tumor is an abnormal mass of tissue in which cells grow and multiply uncontrollably, seemingly unchecked by the mechanisms that control normal cells. Brain tumors can be primary or metastatic, and either malignant or benign. A metastatic brain tumor is a cancer that has spread from elsewhere in the body to the brain. Epilepsy is a brain disorder in which clusters of…...
BrainEpilepsyNeuron
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Neurons: Important Cells in the CNS
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Pages • 4
Neurons are very important cells in the CNS and are responsible for mood, language, memory, behavior and so on. Many incurable diseases like amyotrophic lateral sclerosis, hereditary spastic paraplegia and Parkinson's disease are caused by degenerative changes in certain neuron subtypes (Dauer and Przedborski, 2003; Dion et al., 2009). Besides genetic origins, exposure to environmental pollutants has been also proved to be a contributor to neuron disorders (Kanavouras et al., 2011; Sonnack et al., 2015; Weisskopf et al., 2009). To…...
CellNervous SystemNeuron
Anatomy and Physiology Notes Midterm 1
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Contents 1. Structural Organization of the Human Body (2 Lectures) 1. 3. 1 Tissues Tissue: groups of structurally similar cells that have perform common/related function Tissues cooperate within an organ for function of organ as a whole, different issues = division of labor 1. 3. 2 4 Types of Tissue: 1. Muscle Tissue: movement 2. Epithelial Tissue: covering 3. Nervous Tissue: control (regulation) 4. Connective Tissue: support Minimum two present in organ, usually takes 4 to make organs like kidney,…...
AnatomyBiologyNeuron
Brain Facts
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Pages • 61
As part of its enduring commitment to public education and outreach, the Society for Neuroscience (SfN) is pleased to present the seventh edition of Brain Facts: A Primer on the Brain and Nervous System. This edition has been substantially revised. Research progress has been updated throughout the publication, and a new section on animal research added. The information also has been reorganized into six sections to make it easier for readers to glean the “big ideas” covered, and the specific…...
BrainMemoryNervous SystemNeuron
The Rabies Virus
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2. The rabies virus is in the household Rhabdoviridae in the Mononegavirale order of infections. The rabies infection is normally bullet-shaped and is made from a long single-stranded spiral chain of RNA. The infection envelope is made from matrix protein and is studded with glycoproteins. 3. Individuals usually contract rabies after they are bitten by an animal that has been infected with the rabies infection, though it has been shown that in unusual cases rabies can infect people who simply…...
AnimalAnxietyBiologyHealthHealth CareMicrobiology
Role of Graded Potentials for Human Body
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A graded potential in physiology, is described as local changes in membrane potential that occur in varying grades or degrees of magnitude or strength. When compared to graded potential, an action potential is described as brief, rapid, large (100mV) changes in membrane potential during which the potential actually reverses so that the inside of the excitable cell transiently becomes more positive than the outside. As with a graded potential, an action potential involves only a small portion of the total…...
HumanNeuron
The Functions of the Eye, Ear and Skin; Their Role in Behavior
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Pages • 3
Vision starts with light, the physical energy that stimulates the eye. Light waves coming from some object outside the body are sensed by the eye; the only organ that is capable of responding to the visible spectrum. Eyes convert light to a form that can be used by the neurons that serve as messengers to the brain. The neurons themselves take up a small percentage of the total eye. Most of the eye is a mechanical device that is similar…...
BehaviorColorEyeNeuronSense
Dementia Syndrome as Mental Health Declining
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Pages • 10
Describe a range of causes of dementia syndrome Neurodegenerative diseases is a common cause of dementia which mean that the brain cells known at the neurons either are degenerating therefore the neuron die off quicker which will lead to a more decline in the person mental health such as memory, language and sometimes their physical abilities all depending on which area of the brain is infected. Dementia affects the brain and the loss of function of the brain in such…...
DementiaMental HealthNeuron
How Neurons In The Central Nervous System Communicate
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Pages • 4
Human cognition, emotion, motivation and ultimately life is made possible by neurons in the central nervous system (CNS). This essay will briefly describe the processes involved in neuronal communication and discuss how this knowledge has helped improve our understanding of human behaviour, specifically with regards to neurological and psychological disorders. Neurons connected to motor neurons in the somatic nervous system control the bodies conscious action whilst neurons in the automatic nervous system control involuntary action which keeps the heart pumping…...
Nervous SystemNeuron
Module 08 Case Study: CNS Movement Disorders
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1. What condition or conditions (disease/diseases) could Harry have as described in this case? Which one would be your primary diagnosis? In a very general explanation, describe this condition/disease. (1 point) Harry suffers from Amyotrophic Lateral Sclerosis, also known as Lou Gehrig’s disease. This disease affects a person’s motor neurons affecting voluntary motor control by damaging both the upper motor neuron and lower motor neuron. 2. Which patient findings/observations lead you to your primary diagnosis? How do they relate to…...
Case StudyDisorderNeuron
Biological Psychology
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Pages • 6
In book one chapter 4, it is suggested that there is a special brain region for the recognition faces, to what extend does the evidence in book 4,chapter 2 support this? Explain how the evidence shows that it would be an over simplification to assume that functional organisation of the brain is entirely genetically determined. In your answer state what other factor is more likely to be involved. (No more than 300words) Face recognition is an important specific function of…...
BiologyNeuronPsychology
Regulatory Behavior
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The human body is regulated by the nervous system and its functions. Under normal circumstances everything runs smoothly with no issues; however, fear can have an impact on how the nervous system works. One aspect that can be examined in relation to the nervous system and the ways that fear affects it is through body temperature regulation. When fear is present it bring on the production of specific hormones that cause certain responses within the body leading to the flight…...
BehaviorNervous SystemNeuron
The Olfactory Receptor
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You scored 100% by answering 4 out of 4 questions correctly. 1. A very intense stimulus can sometimes stimulate sensory neurons that have evolved for a different modality. Thus, with a blow to the eye, one "sees stars. " In this example the photoreceptors in the eye are responding to You correctly answered: c. intense pressure. 2. Olfactory receptor neurons respond to low concentrations of chemical odorants because there are membrane proteins in the receptor ending of this sensory neuron…...
NeuronStudyingTesting
Action Potential and Receptor Olfactory Receptor
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Pages • 1
You scored 100% by answering 4 out of 4 questions correctly. 1. Assuming that the resting potential of a sensory neuron is -70 mV, which of the following represents a depolarization? You correctly answered: c. a change to -60 mV 2. Which of the following is a sensory modality (type of sense)? You correctly answered: e. all of the above 3. Which of the following is a sensory stimulus? You correctly answered: d. all of the above 4. Which of…...
Neuron
What Is Action Potentials
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An action potential is the change in electrical potential associated with the passage of an impulse along the membrane of a muscle cell or nerve cell. An action potential occurs when a neuron sends information down an axon, away from the cell body. A threshold is the minimum amount of stimulation needed to start a neural impulse (you know, the electrical impulses that travel throughout your body carrying important information). Action potentials generated by neural impulses are "all or nothing,"…...
Advantage Of ScienceNeuronResearchScience
Types of Muscles
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Activity 1 The Muscle Twitch and the Latent Period Define the terms skeletal muscle fiber, motor unit, skeletal muscle twitch, electrical stimulus, and latent period 2.What .is the role of acetylcholine in a skeletal muscle contraction? Skeletal muscle fiber-Skeletal muscle fibers are the individual cells that are bound together in fascicles. Many fascicles are bound together to make a muscle Motor unit-A motor unit consists of a motor neuron and all of the muscle fibers in innervates. Skeletal muscle twitch-A…...
MuscleNeuron
A Case of Spinal Cord Injury
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Pages • 6
Describe the functional anatomy of the spinal cord using the following: white matter, gray matter, tracts, roots and spinal nerves. The spinal cord consists of a superficial White matter and a deep Gray matter. The white matter consists of myelinated axons, which form nerve tracts and the Gray matter consists of neuron cell bodies, dendrites and axons. The white matter in each half of the spinal cord is organized into ventral, dorsal and lateral columns. Each column is subdivided into…...
InjuryNervous SystemNeuron
Foundations of Psychology Paper
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Abstract The miscellaneous condition of psychology is a scientific investigation of humankind mind, body, and behavior. Psychology includes different departments of psychology to apprehend and supervise observations on the mental technique of a person mind and behavior. Psychology is regularly used to establish the secrecy of the human behavior. Observation was the way to study a person mind to become aware of the mental conscious and unconscious states. As time went by psychology was established, alone with some major schools…...
BrainCognitive PsychologyMakeupNervous SystemNeuronPsychology
Badfish Anatphys Neurotoxin
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Pages • 5
To present the doctor’s notes portion of the case with a description of the following terms or concepts: Diaphoresis- is the medical term for profuse sweating or perspiring. The skin’s sweat glands sweat to aid in fever management. When your body temp rises you autonomic nervous system causes you eccrine glands to secrete fluid onto the surface of the skin where it cools as it evaporates. Motor dysfunction_ All motor dysfunction means is abnormality in the use of the motor…...
ChemistryNervous SystemNeuron
A Range of Causes of Dementia Syndrome
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Pages • 3
Neurodegenerative diseases is a common cause of dementia which means that the brain cells known at the neurons either are degenerating therefore the neuron die off quicker than that of the neurons of a normal aging processes. This will lead to a more decline in the persons mental health such as memory, language and sometimes their physical abilities all depending on which area of the brain is infected. These neurodegenerative diseases are known to us as Alzheimer’s, fronto-temporal dementia, and…...
DementiaNeuron
Neuron System Lab
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Pages • 2
1.You are looking at a neuron under a microscope. You find many structures coming off the cell body. Some of these are relatively thick and branch many times. One of the structures, however, is very thin and very long. This latter structure is most likely the neuron's __________ , which carries the __________. a.dendrite; efferent signal b.dendrite; afferent signal c.axon; action potential d.axon; receptors 2.If the myelin sheathing on neurons is absent or removed in a given individual, he or…...
Nervous SystemNeuron
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FAQ about Neuron

How Do Nerve Cells Work
...Chiara Cirelli, Christina M. Gutierrez and Giulio Tononi (2004) ‘Extensive and Divergent Effects of Sleep and Wakefulness on Brain Gene Expression’ [online] available from: http://www. sciencedirect. com/science/article/pii/S089662730300814...
How Neurons In The Central Nervous System Communicate
...However it has also revealed the flaws of the outdated extreme reductionist view that all psychological phenomenon begin at the level of biology and are determined by physiological causes. Human behaviour is clearly too complex for this and in order ...
What Is Action Potentials
...The number of action potentials produced per unit of time in response to a stimulus. A subthreshold stimulus is any stimulus not strong enough to produce a graded potential. Therefore, no action potential is produced. A threshold stimulus produces a ...
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